Vertical Express I-2 Manual page 29

I-2 / I-3 Valve
Troubleshooting Flowcharts
(continued)
A
Set up a down call
Does the car lower at
all?
No
Is the line valve open?
No
Open line valve.
Does the car operate
OK?
No
Verify proper performance.
Does the car lower at
all?
No
August 2019 - 89130 v.3.0
Yes
Yes
Is down fast
energized?
Yes
Yes Is there voltage on
coil?
R
Flowchart 5
Not a valve problem.
Does the car lower at
contract speed?
Does the car lower at
less than contract
speed?
Adjust lowering speed.
Verify proper performance.
No
A
Flowchart 7
Yes
No Replace solenoid coil.
A
Flowchart 6
Flowchart 5
Reference Material
R
Yes
No
Flowchart 12
Yes
No
Flowchart 9
A
A
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